Home / 5,391.96-8,088.36-2,104.80

Finding the Fourth Proportional to 5,391.96, 8,088.36 and 2,104.80

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Solution

The fourth proportional to 5,391.96, 8,088.36 and 2,104.80 is: 3,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.96 : 8,088.36 = 2,104.80 : x
  2. Step 2: Convert to fraction form
    5,391.96/8,088.36 = 2,104.80/x
  3. Step 3: Cross multiply
    5,391.96x = 8,088.36 × 2,104.80
  4. Step 4: Simplify right side
    5,391.96x = 17,024,380.13
  5. Step 5: Solve for x
    x = 17,024,380.13/5,391.96
  6. Step 6: Final answer
    x = 3,157.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.